Summary:Blackjack, also known as twenty-one, is one of the most popular casino card games in the world. Blackjack's precursor was vingt-et-un ('twenty-one'), which originated in French casinos around 1700.Beat...Blackjack, also known as twenty-one, is one of the most popular casino card games in theBlackjack, also known as twenty-one, is one of the most popular casino card games in the world. Blackjack's precursor was vingt-et-un ('twenty-one'), which originated in French casinos around 1700.Beat...Blackjack, also known as twenty-one, is one of the most popular casino card games in the world. Blackjack's precursor was vingt-et-un ('twenty-one'), which originated in French casinos around 1700.Beat the Dealer's hand by either getting a better hand without exceeding 21 or by the Dealer's hand going bust (going over 21)!…Expand